<template>
  <div class="error">
    <div class="container-floud">
      <div class="col-xs-12 ground-color text-center">
        <div class="container-error-404">
          <div class="clip">
            <div class="shadow">
              <span class="digit">{{ thirdDigit }}</span>
            </div>
          </div>
          <div class="clip">
            <div class="shadow">
              <span class="digit">{{ secondDigit }}</span>
            </div>
          </div>
          <div class="clip">
            <div class="shadow">
              <span class="digit">{{ firstDigit }}</span>
            </div>
          </div>
          <div class="msg">
            OH!
            <span class="triangle"></span>
          </div>
        </div>
        <h2 class="h1">很抱歉，您还没有权限访问该页面</h2>
        <van-button plain class="txt-btn no-border yellow-btn" @click="router.push('/')">返回首页</van-button>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import { useRouter } from 'vue-router'
const router = useRouter()

function randomNum() {
  return Math.floor(Math.random() * 9) + 1
}

const thirdDigit = ref(0)
const secondDigit = ref(0)
const firstDigit = ref(0)

const time = 30
let i = 0

const loop3 = setInterval(function () {
  if (i > 40) {
    clearInterval(loop3)
    thirdDigit.value = 4
  } else {
    thirdDigit.value = randomNum()
    i++
  }
}, time)

const loop2 = setInterval(function () {
  if (i > 80) {
    clearInterval(loop2)
    secondDigit.value = 0
  } else {
    secondDigit.value = randomNum()
    i++
  }
}, time)
const loop1 = setInterval(function () {
  if (i > 100) {
    clearInterval(loop1)
    firstDigit.value = 1
  } else {
    firstDigit.value = randomNum()
    i++
  }
}, time)
</script>

<style lang="scss" scoped>
@import './error.scss';
</style>
